{"id":"CVE-2023-22738","aliases":["EUVD-2023-0261","GHSA-vvjv-97j8-94xh","PYSEC-2023-53"],"status":"published","title":"Improper Preservation of Permissions in vantage6","description":"vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00375,"percentile":0.31915,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-281"],"published":"2023-02-28T23:19:24Z","modified":"2026-10-28T02:30:55Z","fixes":[{"ecosystem":"PyPI","package":"vantage6","fixed_in":["3.8.0","3.6.1","3.8.0rc3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"vantage6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"vantage6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.0"}]}],"versions":["0.0.0","0.0.0b0","0.0.0b1","0.0.0b3","1.0.0","1.0.0a1","1.0.0a2","1.0.0b10","1.0.0b11","1.0.0b12","1.0.0b13","1.0.0b14","1.0.0b2","1.0.0b3","1.0.0b4","1.0.0b5","1.0.0b6","1.0.0b7","1.0.0b8","1.0.0b9","1.1.0","1.1.0rc1","1.1.0rc2","1.2.0","1.2.1","1.2.2","1.2.3","1.2.3.post2","2.0.0","2.0.0.post1","2.0.0a1","2.0.0a2","2.0.0a3","2.0.1rc1","2.0.1rc2","2.1.0","2.1.0rc1","2.1.1","2.2.0","2.2.0b1","2.2.0b2","2.2.0b3","2.2.0b4","2.2.1","2.2.10","2.2.11","2.2.12","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.0rc1","2.3.0rc2","2.3.0rc3","2.3.0rc4","2.3.0rc5","2.3.1","2.3.2","2.3.2rc1","2.3.3","2.3.4","2.3.5","2.3.5b1","3.0.0","3.0.0b1","3.0.0b2","3.0.0b3","3.0.0b4","3.0.0b5","3.0.0b6","3.0.0b7","3.0.0b8","3.0.0rc1","3.0.1","3.0.2","3.0.3","3.0.4","3.1.0","3.1.0rc1","3.1.0rc5","3.1.0rc6","3.1.0rc7","3.1.0rc8","3.1.0rc9","3.1.1rc1","3.1.1rc2","3.2.0","3.2.0rc1","3.2.0rc2","3.2.0rc3","3.2.0rc4","3.2.0rc5","3.3.0","3.3.0a0","3.3.0rc1","3.3.0rc2","3.3.0rc3","3.3.0rc4","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7","3.3.7a2","3.3.7a3","3.3.8a1","3.3.8a2","3.3.8a4","3.3.8a5","3.3.8a6","3.3.8a7","3.3.8a8","3.4.0","3.4.0a1","3.4.0a2","3.4.0a3","3.4.0a6","3.4.1","3.4.1a0","3.4.1a1","3.4.1a2","3.4.1a3","3.4.2","3.4.2a0","3.4.3","3.5.0","3.5.0rc1","3.5.0rc2","3.5.0rc3","3.5.1","3.5.2","3.6.0","3.6.1","3.6.1rc1","3.6.1rc2","3.6.1rc3","3.7.0","3.7.0rc1","3.7.0rc2","3.7.1","3.7.2","3.7.3","3.8.0rc3"]},{"source":"osv","ecosystem":"PyPI","package":"vantage6","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"798aca1de142a4eca175ef51112e2235642f4f24"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.1"},{"introduced":"3.7.0"},{"fixed":"3.8.0rc3"}]}],"versions":["0.0.0","0.0.0b0","0.0.0b1","0.0.0b3","1.0.0","1.0.0a1","1.0.0a2","1.0.0b10","1.0.0b11","1.0.0b12","1.0.0b13","1.0.0b14","1.0.0b2","1.0.0b3","1.0.0b4","1.0.0b5","1.0.0b6","1.0.0b7","1.0.0b8","1.0.0b9","1.1.0","1.1.0rc1","1.1.0rc2","1.2.0","1.2.1","1.2.2","1.2.3","1.2.3.post2","2.0.0","2.0.0.post1","2.0.0a1","2.0.0a2","2.0.0a3","2.0.1rc1","2.0.1rc2","2.1.0","2.1.0rc1","2.1.1","2.2.0","2.2.0b1","2.2.0b2","2.2.0b3","2.2.0b4","2.2.1","2.2.10","2.2.11","2.2.12","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.0rc1","2.3.0rc2","2.3.0rc3","2.3.0rc4","2.3.0rc5","2.3.1","2.3.2","2.3.2rc1","2.3.3","2.3.4","2.3.5","2.3.5b1","3.0.0","3.0.0b1","3.0.0b2","3.0.0b3","3.0.0b4","3.0.0b5","3.0.0b6","3.0.0b7","3.0.0b8","3.0.0rc1","3.0.1","3.0.2","3.0.3","3.0.4","3.1.0","3.1.0rc1","3.1.0rc5","3.1.0rc6","3.1.0rc7","3.1.0rc8","3.1.0rc9","3.1.1rc1","3.1.1rc2","3.2.0","3.2.0rc1","3.2.0rc2","3.2.0rc3","3.2.0rc4","3.2.0rc5","3.3.0","3.3.0a0","3.3.0rc1","3.3.0rc2","3.3.0rc3","3.3.0rc4","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7","3.3.7a2","3.3.7a3","3.3.8a1","3.3.8a2","3.3.8a4","3.3.8a5","3.3.8a6","3.3.8a7","3.3.8a8","3.4.0","3.4.0a1","3.4.0a2","3.4.0a3","3.4.0a6","3.4.1","3.4.1a0","3.4.1a1","3.4.1a2","3.4.1a3","3.4.2","3.4.2a0","3.4.3","3.5.0","3.5.0rc1","3.5.0rc2","3.5.0rc3","3.5.1","3.5.2","3.6.0","3.6.1rc1","3.6.1rc2","3.6.1rc3","3.7.0","3.7.1","3.7.2","3.7.3"]}],"products":[{"vendor":"vantage6","product":"vantage6"}],"references":[{"url":"https://github.com/vantage6/vantage6/security/advisories/GHSA-vvjv-97j8-94xh","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/vantage6/vantage6/commit/798aca1de142a4eca175ef51112e2235642f4f24","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22738","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2023-53.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vvjv-97j8-94xh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22738.json","tags":["advisory"]},{"url":"https://github.com/vantage6/vantage6","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-22738","title":"Improper Preservation of Permissions in vantage6","description":"vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.","status":"published","published":"2023-03-01T20:22:13.113Z","modified":"2025-03-06T19:07:40.465Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:35:15.779187Z"}],"euvd":[{"id":"EUVD-2023-0261","description":"vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.","status":"published","published":"2023-03-01T20:22:13Z","modified":"2025-03-06T19:07:40Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:11.059252Z"}],"ghsa":[{"id":"GHSA-vvjv-97j8-94xh","title":"vantage6 vulnerable to Improper Preservation of Permissions","description":"### Impact\nAssigning existing users to a different organization is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access.\n\n### Patches\nUpdate to 3.8.0\n\n### Workarounds\nNone\n\n### References\nNone\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [vantage6@iknl.nl](mailto:vantage6@iknl.nl)\n","status":"published","published":"2023-02-28T23:19:24Z","modified":"2024-11-18T23:09:58Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:38:20.833758Z"}],"nvd":[{"id":"CVE-2023-22738","description":"vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.","status":"published","published":"2023-03-01T21:15:10.397Z","modified":"2026-06-17T05:36:04.273Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:07:48.342507Z"}],"osv":[{"id":"CVE-2023-22738","title":"Improper Preservation of Permissions in vantage6","description":"vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.","status":"published","published":"2023-03-01T20:22:13.113Z","modified":"2026-10-28T02:30:55.252948612Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T15:44:30.334753Z"},{"id":"GHSA-vvjv-97j8-94xh","title":"vantage6 vulnerable to Improper Preservation of Permissions","description":"### Impact\nAssigning existing users to a different organization is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access.\n\n### Patches\nUpdate to 3.8.0\n\n### Workarounds\nNone\n\n### References\nNone\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [vantage6@iknl.nl](mailto:vantage6@iknl.nl)\n","status":"published","published":"2023-02-28T23:19:24Z","modified":"2026-09-10T03:49:52.116471668Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T15:46:57.694388Z"},{"id":"PYSEC-2023-53","description":"vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.","status":"published","published":"2023-03-01T21:15:00Z","modified":"2023-11-08T04:11:38.241725Z","updated_at":"2026-11-02T15:52:53.837392Z"}]}}